//
//  Atom.m
//  2.4.7oc
//
//  Created by 钟纪旺 on 16/4/7.
//  Copyright © 2016年 zjw. All rights reserved.
//

#import "Atom.h"

@implementation Atom

-(id)init {
    if (self=[super init]) {
        _chemicalElement=@"None";
        
    }
    return self;

}
-(NSUInteger) massNumber
{


    return 0;

}




@end
